Abed invites “Fat Neil” to play a game of Dungeons & Dragons with the rest of the study group, hoping to boost his confidence, after Jeff becomes concerned about him being a loner. When Pierce finds out he was not invited, he joins anyway, disrupting their plans.

Annie convinces the group to put on a middle school anti-drug production, but finds it continually derailed by Pierce’s efforts to give himself a better role. Meanwhile, Chang attempts to connect with Shirley, while a prank involving Britta’s phone puts Jeff in an awkward situation.

The group members debate whether to add Annie’s crush, who recently enrolled at Greendale, or Señor Chang to the group.

Shirley’s ex-husband comes back into the picture, and she has big news for everyone.

Abed wakes up in stop-motion animation making him believe that the group must re-discover the true meaning of Christmas. With the help of Professor Duncan, the group explores Abed’s winter wonderland and soon discovers the truth behind Abed’s madness.

It is Troy’s 21st birthday, so the group decides to hit the bars. While Britta and Jeff are drinking too many cocktails, Shirley is taking down incriminating pictures of herself, Annie is embracing her fake identity and Abed gets into a deep conversation with another Sci-Fi lover.

When Dean Pelton starts checking class schedules, he discovers that Jeff has listed a class that doesn’t exist. Abed and Troy build an elaborate blanket fort.

Annie’s favorite pen goes missing, and she suspects that someone in the group took it. Then study room is put on lock down, and Jeff starts conducting the investigation. Troy and Abed are especially anxious to get out of the room in order to make it to the Greendale Puppy Parade in time.

After a classroom smackdown with a group of “mean girls” led by Meghan, Britta, Shirley, and Annie bond with Abed by turning him into the ultimate “mean girl.” Meanwhile, Jeff and Troy embrace a zen-like spirituality under the guidance of a groundskeeper when they come across a secret trampoline on campus. Determined to uncover the source of their new bliss, Pierce ends up taking a disastrous turn on the trampoline and lands in the hospital.

Pierce and a few other Greendale students ingest a biohazard substance at the school Halloween Party, causing them to exhibit flu-like symptoms and begin turning into zombies. It is up to the rest of the gang to save themselves and the school when Dean Pelton locks them in with the zombie-infected student body.

Shirley asks for Abed’s creative input for a religious film; Pierce is recruited by a group of students his age.

Dean Pelton asks the study group to clean and refurbish the Greendale flight simulator. After an accidental launch, Abed must navigate a safe return.

When Pierce’s mother dies, the group helps to comfort him. After putting Jeff in the hospital, by one of her class pranks going awry, Professor Bauer takes a leave of absence and Professor Duncan attempts to take over her Anthropology class.

Jeff falls into old habits after reconnecting with Alan (Rob Corddry), a former law firm colleague; Abed, Annie and Troy look for dirt on Alan.

As the new semester begins, the study group gathers to tackle Anthropology 101; Jeff struggles to establish decorum with Britta and Annie; Señor Chang decides to enroll as a student so he can join the study group.

Britta and Professor Slater fight for Jeff’s affection; Troy is upset when Abed doesn’t ask him to move into his dorm room.

Greendale Community College is forced to bring in a new Spanish teacher after a shocking discovery about Señor Chang; Meanwhile, Troy discovers a trade he truly excels in — plumbing.

The sexual tension between Jeff and Britta becomes a hot topic among the study group. Meanwhile, what starts out as a simple contest for a chance at early class registration turns the peaceful campus of Greendale Community College into an all-out war zone. Friendships are tested, as only one student can be victorious.

The group is divided after Pierce crosses a line with Shirley; Britta and Jeff face a group of young bullies and their mother

The group becomes popular when, with Abed working in the cafeteria, they start a racket in chicken fingers. Soon, the gang’s new-found popularity begins to inflate their egos, and Jeff realizes that he must find a way to end his friends’ reign.

Pierce is willing to do and wear whatever it takes to reach a new level of ascension in his Buddhist church. Meanwhile, Britta secretly tries to shake her reputation as a buzzkill, resulting in a prank gone horribly wrong. Britta’s misguided attempt at levity forces new campus security officers Annie and Shirley to investigate the crime.

While Jeff takes interest in a pottery class, Pierce invites his friends to his boating class.

It’s family day at Greendale Community College and the gang’s families come to campus to join in on the fun.

Jeff shows a little leg in billiards class when he’s forced to wear the Greendale PE uniform, while the gang tries to help Abed get a girl.

Due to the aftermaths of a terrible mistake, Jeff attempts to reconcile his friendship with Britta. Shirley and Annie want to pull a prank on Señor Ben Chang.

Jeff and Britta meddle in Annie’s love life when she starts dating Britta’s ex, Vaughn. Meanwhile, Pierce feels left out of Troy and Abed’s movie night.

Jeff struggles to keep his affair a secret. Troy and Britta choose to reveal their secret to their friends.

While Jeff takes on the role of Greendale Gazette Journal’s editor, the gang must decide whether or not to admit an eager classmate into their study group.

Shirley does the preparations for an upcoming holiday party. Jeff goes up against a school bully after being challenged to a fight.

Britta dares Jeff to find himself a partner for a double date with Pierce and his new girlfriend. Meanwhile, Shirley and Britta lend their hand as Annie tries to learn anatomy for a special health fair presentation in school.

Jeff’s classmates entrust him with the task of discussing with Señor Chang the unreasonable amount of homework assigned to them. Troy and Abed lose their subject for a biology lab experiment.

Jeff and Annie team up against City College for the debate championship. Pierce applies hypnotherapy on Britta to help her quit smoking while Shirley is weird-ed out as Abed’s films appear to predict the future.

Jeff’s schoolmates come to his aid when they learn he is living out of his car. Pierce joins Vaughn’s band while Annie and Troy plan out his date with another girl.

Jeff must come to a decision after he makes a date with a hot statistics professor which clashes with Annie’s Day of the Dead party.

While Jeff urges Troy to sign up with the football team, Britta learns girl talk etiquette from Shirley.

Señor Chang warns that he’ll give failing marks to the whole class unless the cheater admits to his/her indiscretion. Jeff then defends the one who comes forward. Annie and Pierce team up to compose a new school song.

For Professor Duncan’s psychology research team, Abed and Troy are recruited as test subjects by Annie. Also, Shirley and Jeff start to bond as they gossip about Britta and her boyfriend.

Jeff joins Professor Whitman class for an easy A grade. Jeff realizes how much work he needs to put in to pass. Britta helps Abed fulfill his dream.

When Señor Chang assigns the class a project that requires partners, Jeff works to become Britta’s partner. However, his attempts backfire and he ends up with someone he didn’t want to work with. Meanwhile, Shirley and Annie help Britta with a social justice cause.

Jeff Winger, a lawyer whose degree has been revoked, finds himself at Greendale Community College where he forms a study group consisting of Pierce, Britta, a 28-year old drop out; Shirley, a middle-aged and recently divorced woman; Abed, a pop-culture junkie; Annie, a perfectionist; Troy, a former high school football hero; and Señor Chang, the Spanish professor.

With the fate of Mystic Falls at stake, Stefan and Damon must fight their greatest enemy for one last battle.